Coles has agreed to pay $10 million in penalties after admitting to unconscionably treating eight suppliers.

Amendments that threatened to weaken a bill to protect vulnerable workers from underpayment and exploitation were under "delicate" negotiation on Tuesday night.

Sliding prices for BHP's prime commodities are challenging the case for the "South32" demerger.

The 175-year old agribusiness group will shift headquarters from its historic building in the Adelaide CBD in a move which chief Mark Allison says is another symbol of a "new" Elders focused on investor returns.

The Australian dollar closed down on Monday, as a siege in Sydney’s financial district and confirmation of the country’s deteriorating fiscal position weighed on the local currency.